Manifold Heat Exchanger Fits John Deere 60 620 630 70 720 730 A4644R
Manifold Heat Exchanger Fits John Deere 60 620 630 70 720 730 A4644R
Regular price
£25.00 GBP
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£25.00 GBP
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One New Aftermarket Replacement Manifold Heat Exchanger for John Deere Tractors
This manifold heat exchanger mounts between the intake and exhaust manifold sections on classic John Deere two-cylinder gas tractors, transferring heat from the exhaust side to warm incoming intake air and fuel for improved cold-weather starting and combustion efficiency. It is a direct drop-in replacement for the original John Deere (JD) A4644R heat exchanger used across the 60-series and 70-series tractor families.
Compatible Models
John Deere Tractors: 60, 70, 620, 630, 720, 730
Replaces Part Number(s):
A4644R, A4644, A4644-A, A4644R-A, TPA4644R, BH-A4644R
New aftermarket replacement part - not remanufactured, not used.
